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A train blows horn for

I need help with this question.A commuter train blows its horn as it passes a passenger platform at a constant speed of 55.0
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2. asked by Chris Adison
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A train blows horn for 5seconds.Find the time for which a person standing at the platform hears the horn if speed of train is
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2. asked by deepika
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A train is moving at a speed of 30 m/s toward a stationary observer at a train station. The train whistle blows with an actual
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2. asked by Anonymous
3. 788 views
Two trains on separate tracks move toward one another. Train 1 has a speed of 125 km/h and train 2 a speed of 100.0 km/h. Train
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2. asked by julie
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A train moving with a speed of 31.8 m/s sounds a 136-Hz horn. Suppose a stationary observer sounds a horn that is identical to
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2. asked by cassie
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A train on one track moves in the same direction as a second train on the adjacent track. The first train, which is ahead of the
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2. asked by aok
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A train blows its horn as it approaches a crossing. The train engineer observes a frequency of 118 Hz and a stationary observer
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2. asked by Paul
3. 613 views
A light-rail commuter train blows its 200 Hz horn as it approaches a crossing. The speed of sound is 330 m/s.
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2. asked by Anonymous
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A light-rail commuter train blows its 200 Hz horn as it approaches a crossing. The speed of sound is 332 m/s.
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2. asked by Anonymous
3. 559 views
A light-rail commuter train blows its 200 Hz horn as it approaches a crossing. The speed of sound is 336 m/s.a)An observer
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2. asked by Ben
3. 1,443 views